Ultraviolettstrahlung absorbierendes Filtermaterial und daraus hergestellte elektrische Lampe

A 96% silica glass contains an addition of vanadium or molybdenum ions in amount between 0.03% and 0.3% by weight (calculated on a 1 mm. thickness of glass). The glass may be prepared according to Specification 533,053 and the porous glass produced impregnated with a solution of a vanadium or molybd...

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Bibliographische Detailangaben
Hauptverfasser:	EMERY NORDBERG,MARTIN, HELMUT ELMER,THOMAS
Format:	Patent
Sprache:	ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC INCANDESCENT LAMPS ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MINERAL OR SLAG WOOL MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS REGULATING SOLDERING OR UNSOLDERING SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A 96% silica glass contains an addition of vanadium or molybdenum ions in amount between 0.03% and 0.3% by weight (calculated on a 1 mm. thickness of glass). The glass may be prepared according to Specification 533,053 and the porous glass produced impregnated with a solution of a vanadium or molybdenum salt, dried, and heated to a maximum temperature of 1250 DEG C. The glass may be used as the envelope of a lamp to filter out wavelengths between 300 and 360 millimicrons.